spending-limit

Self-hostable egress proxy that enforces hard, real-time dollar caps on paid APIs (Google Maps, Mapbox, HERE, Twilio, and agent search: Tavily, Exa, Brave, SerpApi) for apps, test suites and AI agents. Bring your own key.

Open-source Higgsfield API gateway for Cloudflare Workers: spending caps, signed webhook verification, idempotent Seedance 2.5 and Genjutsu jobs, rate-limit handling. Plus field notes on the Higgsfield API.

Cloudflare has no hard spending limit. This is the missing kill switch: prices your account's usage every 15 minutes and shuts everything off before the bill runs away.

Forkable USDC primitives for Arc: an agent spending-limit contract, a minimal milestone escrow, and an offline verifier for signed decision ledgers. From Vestiarion.

Endowments and spending mandates for AI agents on Robinhood Chain: contracts, SDK, MCP server, x402 facilitator and console.

Spend limits for AI agent wallets: a per-payment cap and rolling 24h USDC budget that holds across restarts, replicas and payment rails. For x402, Coinbase CDP spend controls, AgentKit, the Agentic Wallet and payments MCP, and Spend Permissions. Crash test: $1,600+ past a $150 cap with CDP's controls, $0 with walletcap.

Limit monthly spending, order count, and per-product purchase quantity for customers in PrestaShop. Built for employee stores and B2B purchasing control.